THE ST. THOMAS LAND BRIEF
Land in the
Glacial Lake Agassiz Basin setting.
St. Thomas city has 1.02 square miles of land in Pembina County. Its Census reference point is in Glacial Lake Agassiz Basin, within Lake Agassiz Plain.
The former bed of glacial Lake Agassiz forms an exceptionally flat plain in the Red River valley. Thick lake sediments overlie older glacial deposits across this historic prairie landscape.
Regional context: Lake Agassiz Plain ↗ · Classification at the Census reference point
St. Thomas and Pembina County
St. Thomas is associated with Pembina County in the Census boundary data. Start with the parcel’s tax bill to match the property to that jurisdiction, then confirm which government handles its land use.
St. Thomas by land and water
The Census records 0 square miles of water within St. Thomas, or 0% of its total area. It is 0.2 percentage points lower than the 0.2% recorded for Pembina County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, St. Thomas city has 1.4% of the land area of nearby St. Thomas township (72 square miles). These areas describe boundaries, not comparable property prices.

